RECORD: Darwin, C. R. n.d. Phalaris. CUL-DAR209.8.137. Edited by John van Wyhe (Darwin Online, htp://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2022. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR209.7-8 contain notes on heliotropism (phototropism) for Darwin's book Movement in plants (1880).
N.B. A. Cot of Phalaris only .03 inch in height became greatly curved to light. — which had just protruded from the ground.
(Age at which sensitive)
Height of bowed Phalaris
No furrow behind Cots in Soil
Weight does not cause bowing
Add to case the blackened tubes
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022